When epinephrine interacts with a cell,the step immediately following binding of the messenger with the receptor site is
A) production of GTP from GDP.
B) conversion of cyclic AMP to ATP.
C) activation of a G protein in the cell membrane.
D) activation of adenylate cyclase.
E) conversion of ATP to cyclic AMP.
Correct Answer:
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Q18: Hormones are produced in the _ system.
A)digestive
B)endocrine
C)excretory
D)nervous
E)circulatory
Q19: The hypothalamus gland communicates with other tissues
Q20: Which of the following statements about neurotransmitters
Q21: Which of the following hormones are involved
Q22: Which hormone is an example of an
Q24: Which of the following hormones are involved
Q25: Which of the following hormones are involved
Q26: The second messenger cAMP is synthesized from
A)ATP.
B)ADP.
C)AMP.
D)GTP.
E)GDP.
Q27: Which of the following compounds is not
Q28: Vasopressin is an example of which type
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